tree 0cac821aec4a1dd0a6a86473df5b03864b788a81
parent 4729583006772b9530404bc1bb7c3aa4a10ffd4d
author Li Zefan <lizefan@huawei.com> 1393496376 +0800
committer Tejun Heo <tj@kernel.org> 1393511994 -0500

cpuset: fix a race condition in __cpuset_node_allowed_softwall()

It's not safe to access task's cpuset after releasing task_lock().
Holding callback_mutex won't help.

Cc: <stable@vger.kernel.org>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>